<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>删除数据</title>
</head>
<body>

</body>
<script>
	// delete localStorage.userName;
	// delete localStorage["userName"];
	// localStorage.removeItem("userName");
	// localStorage.clear();// 删除所有
</script>
</html>